4140142423021 has 8 divisors (see below), whose sum is σ = 4544227714464. Its totient is φ = 3740675249520.

The previous prime is 4140142423019. The next prime is 4140142423037. The reversal of 4140142423021 is 1203242410414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4140142423021 - 2¹ = 4140142423019 is a prime.

It is a super-4 number, since 4×4140142423021⁴ (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140142427021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154527606 + ... + 1154531191.

It is an arithmetic number, because the mean of its divisors is an integer number (568028464308).

Almost surely, 2^{4140142423021} is an apocalyptic number.

It is an amenable number.

4140142423021 is a deficient number, since it is larger than the sum of its proper divisors (404085291443).

4140142423021 is a wasteful number, since it uses less digits than its factorization.

4140142423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309058971.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4140142423021 its reverse (1203242410414), we get a palindrome (5343384833435).

The spelling of 4140142423021 in words is "four trillion, one hundred forty billion, one hundred forty-two million, four hundred twenty-three thousand, twenty-one".